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Added Fletcher-8, -32 and -64 checksum operations. Closes #51.

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n1474335 2017-01-17 15:52:24 +00:00
parent cddd349090
commit 3c3f5d9dcd
9 changed files with 120 additions and 45 deletions
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3
src/js/config/Categories.js
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@ -226,7 +226,10 @@ var Categories = [
"SHA3",
"RIPEMD-160",
"HMAC",
"Fletcher-8 Checksum",
"Fletcher-16 Checksum",
"Fletcher-32 Checksum",
"Fletcher-64 Checksum",
"Adler-32 Checksum",
"CRC-32 Checksum",
"TCP/IP Checksum",

21
src/js/config/OperationConfig.js
View file

@ -2642,6 +2642,13 @@ var OperationConfig = {
},
]
},
"Fletcher-8 Checksum": {
description: "The Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s.<br><br>The objective of the Fletcher checksum was to provide error-detection properties approaching those of a cyclic redundancy check but with the lower computational effort associated with summation techniques.",
run: Checksum.run_fletcher8,
input_type: "byte_array",
output_type: "string",
args: []
},
"Fletcher-16 Checksum": {
description: "The Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s.<br><br>The objective of the Fletcher checksum was to provide error-detection properties approaching those of a cyclic redundancy check but with the lower computational effort associated with summation techniques.",
run: Checksum.run_fletcher16,
@ -2649,6 +2656,20 @@ var OperationConfig = {
output_type: "string",
args: []
},
"Fletcher-32 Checksum": {
description: "The Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s.<br><br>The objective of the Fletcher checksum was to provide error-detection properties approaching those of a cyclic redundancy check but with the lower computational effort associated with summation techniques.",
run: Checksum.run_fletcher32,
input_type: "byte_array",
output_type: "string",
args: []
},
"Fletcher-64 Checksum": {
description: "The Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s.<br><br>The objective of the Fletcher checksum was to provide error-detection properties approaching those of a cyclic redundancy check but with the lower computational effort associated with summation techniques.",
run: Checksum.run_fletcher64,
input_type: "byte_array",
output_type: "string",
args: []
},
"Adler-32 Checksum": {
description: "Adler-32 is a checksum algorithm which was invented by Mark Adler in 1995, and is a modification of the Fletcher checksum. Compared to a cyclic redundancy check of the same length, it trades reliability for speed (preferring the latter).<br><br>Adler-32 is more reliable than Fletcher-16, and slightly less reliable than Fletcher-32.",
run: Checksum.run_adler32,